Lyons Creek, Zone 1: Aquitanian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Lucinida
- Lucinidae
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Phacoides contractus
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Anne Arundel |
| Coordinates: | 38.7° North, 76.7° West (view map) | ||||
| Paleocoordinates: | 38.9° North, 71.8° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Aquitanian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Aquitanian | ||
| Age range of interval: | 23.03000 - 20.44000 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | Calvert |
| Regional section: | Shattuck | Regional bed: | 1 |
| Regional order: | bottom to top |
Lithology and environment
| Primary lithology: | brown sandstone |
| Includes fossils? | Y |
| Lithology description: brown sand | |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 70589 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | marine invertebrate,vertebrate |
| Created: | 2007-03-29 14:09:16 | Last modified: | 2007-05-07 09:25:10 |
| Access level: | the public | Released: | 2007-03-29 14:09:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23697. | G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen] |